Contact information

Skywarden,
Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki
taivaanvahti(at)ursa.fi

Ursa Astronomical Association

129 Antigone - 3.5.2019 at 22.36 - 3.5.2019 at 22.59 Orimattila, Artjärvi, Tähtikallio Observation number 82908

Visibility Unclassified


129 Antigone The asteroid on the outer edge of the main zone was photographed on the first night of the May 2019 work. The asteroid was discovered by the German-American astronomer Christian Heinrich Friedrich Peters on February 5, 1873 at the Clinton Observatory in Hamilton College, USA. The asteroid is named after Greek mythology. Princess Antigone was the daughter of King Oedipus, source Wikipedia https://en.wikipedia.org/wiki/Antigone . A 3D model can be found at https://space.frieger.com/asteroids/asteroids/129-Antigone . Change information on Wikipedia https://en.wikipedia.org/wiki/129_Antigone . The size of the large asteroid is 113km and the rotation speed is 4.9572h / r. Spectral class spec_T => M (metal), spec_B => X. 1Picture. first 10s image measured, 2019-05-03T 19: 35: 58UT 2458607.31664JDUT 09h47m49.89s + 20d35'04.2 "11.6mag Std Dev 3414.491, JPL Horizon 19: 35: 58UT 09h47m49.83s + 20d35'04.0" 11.85mag.
2Picture. last 30s image measured, 2019-05-03T 19: 58: 25UT 2458607.33223JDUT 09h47m50.41s + 20d35'01.9 "11.3mag Std Dev 9003.698, JPL Horizon 19: 58: 25UT 09h47m50.38s + 20d35'01.9" 11.85mag.
3Picture. sum view of the stack, motion is shown. There are no other asteroids below 20.5mag in the picture. TYC 1417-108-1 v.10.93mag stars used to calibrate the brightness measurement.


Additional information
  • Observation target
    • Asteroid
  • Name of the observation target
    • 129 Antigone
    • Näyttävä
  • Seeing
    • Average
Technical information

Alluna RC16, C415 / 3320, SBIG 1001E, filter L, 20x10s, 20x30s

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